Home / 15,951.78-22,014.45-9,238.86

Finding the Fourth Proportional to 15,951.78, 22,014.45 and 9,238.86

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Solution

The fourth proportional to 15,951.78, 22,014.45 and 9,238.86 is: 12,750.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,951.78 : 22,014.45 = 9,238.86 : x
  2. Step 2: Convert to fraction form
    15,951.78/22,014.45 = 9,238.86/x
  3. Step 3: Cross multiply
    15,951.78x = 22,014.45 × 9,238.86
  4. Step 4: Simplify right side
    15,951.78x = 203,388,421.53
  5. Step 5: Solve for x
    x = 203,388,421.53/15,951.78
  6. Step 6: Final answer
    x = 12,750.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.